In amyotrophic lateral sclerosis (ALS), neighborhood may be everything, if a new study in mouse models of the disease holds true for patients.
ALS, or Lou Gehrigs disease, brings about a gradual death of the motor neurons that activate muscles. Paralysis follows. But according to work described today in the journal Science, the cells that are next to motor neurons -- but arent themselves nerve cells -- can play a major role in advancing or limiting the disease.
"What weve been given is a new principle for extending survival or, perhaps, overcoming ALS, based on how many healthy cells surround an ailing motor nerve cell," says Don Cleveland, Ph.D., a scientist with The Packard Center for ALS Research at Johns Hopkins and, with Larry Goldstein, Ph.D., co-leader of the research team. "All this has great implications for stem cell therapy," he adds. "We now believe delivery of normal, non-neuronal cells to spinal cords could be completely protective, even without replacement of a single motor neuron."
Joanna Downer | EurekAlert!
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Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.
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What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.
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The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....
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Physics supports biology: Researchers from PTB have developed a model system to investigate friction phenomena with atomic precision
Friction: what you want from car brakes, otherwise rather a nuisance. In any case, it is useful to know as precisely as possible how friction phenomena arise –...
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